Our Dermatologists
Australian doctors with specialist medical training.
Our dermatologists are registered medical specialists who have completed a four year specialist training program and obtained a Fellowship of the Australasian College of Dermatology (FACD).
Dermatologists specialise in the diagnosis, treatment and prevention of skin diseases and skin cancers for patients of all ages, from babies and children to adolescents and adults. They are also experts in the diagnosis and management of disorders affecting hair, nails and the wet areas of the mouth and genitalia.

Dr. Rhonda Harvey
BSc (Med), MBBS (Hons)(UNSW), PhD, FACD, MDerm
Principal Dermatologist + Mohs Micrographic Surgeon
Dr Harvey graduated with honours in medicine from the University of New South Wales in 1999. As part of her post graduate training, Dr Harvey completed the Basic Surgical Training Program with the Royal Australian College of Surgeons while completing her PhD (Head & Neck Squamous Cell Carcinomas) with the Cancer Research Program at the Garvan Institute of Medical Research. Before commencing Dermatology training, Dr Harvey consolidated her research by undertaking a Post Doctoral Research Fellowship at the Dermatology Research Laboratories at the University of Sydney.
Dr Harvey began clinical Dermatology training in 2006 at the Royal Prince Alfred Hospital, St Vincent’s Hospital, Liverpool Hospital and Westmead Hospital hospitals while also completing rotations at the Skin & Cancer Foundation Australia, Darlinghurst and Westmead facilities.
Dr Harvey received a Fellowship of the Australasian College of Dermatologists (FACD) in 2010 after completing 4 years of fellowship training and completed a Mohs Surgical Fellowship at the Skin & Cancer Foundation, Westmead in 2011.
Dr Harvey recently received a Master of Dermatology from the Australasian College of Dermatologists, furthering her commitment to ongoing training and education within the field of dermatology.
Professional interests include Skin Cancer & Melanoma Management, Mohs Surgery, Non-surgical Skin Cancer Management (including Photodynamic Therapy), Moderate to Severe Acne, Dermatitis & Eczema, Facial Pigmentation, Cosmetic and Non-cosmetic Laser.

Dr. Clare Shui Lyn Koh
BSc (Med), MBBS (Hons)(USYD), FACD
Dermatologist
Dr Clare Koh graduated with honors from the University of Sydney in 2005 with a Bachelor of Medicine and Bachelor of Surgery. Dr Koh began clinical Dermatology training in 2011 and received fellowship with the Australasian College of Dermatologists in 2015.
Dr Koh is interested in the diagnosis and management of all aspects of diseases of the skin including the diagnosis and management of skin cancer.

Dr. Gilberto Moreno Bonilla
MBBS (AMC), FACD
Dermatologist
Dr Gilberto Moreno Bonilla graduated from Rosario University (Colombia) in 2003 and achieved Australian Medical Council recognition in 2006 whilst conducting clinical Dermatology research through the University of New South Wales. He successfully completed Basic Physicians Training and examinations in 2011, and broadened his medical experience through the St Vincents Area Health Network. During his Dermatology training he spent a year in the UK focusing on the multi-disciplinary management of skin cancer and connective tissue disorders. Other hospital attachments included Westmead Adults Hospital, Westmead Children’s Hospital, The Skin Hospital Westmead and Royal Prince Alfred Hospital where completed Dermatology training in 2016.
Dr Moreno Bonilla holds Conjoint Lecturer positions at the Medical Schools of University of New South Wales & University of Sydney and is committed to the education of junior doctors and Dermatology research. His work has been presented at local and international meetings, and has also been published in peer reviewed medical journals for the past 12 years.

Dr. Vernon Pua
MBBS (Hons)(USYD), MPH, FACD
Dermatologist
Dr Vernon Pua graduated with honours in medicine from the University of Sydney. Dr Pua has worked closely with the Royal Prince Alfred Hospital, The Royal Adelaide Hospital, St Vincent’s Hospital, The Skin Hospital Darlinghurst, the Prince of Wales Hospital and Sydney Children’s Hospital. He is also a member of the American Academy of Dermatologists.
Dr Pua has a special interest in skin cancer, rosacea and cosmetic dermatology. His postgraduate qualifications include a Masters in Public Health and a fellowship from the Australasian College of Dermatologists.
Dr Pua has performed additional research into skin tanning with the alpha-melanocyte stimulating hormone and evaluation of surgical treatment of skin cancer. For his work in these areas he has received the Schering-Plough award for dermatology research.

Dr. Adam Harris
MBChB, MMed (UNSW), FACD
Dermatologist
Dr Harris gained his Bachelor of Medicine and Bachelor of Surgery from the University of Otago in 2010. He completed his internship and residency in New Zealand, Queensland and at the Royal Prince Alfred Hospital in Sydney. He then completed a Clinical Research Fellowship in Dermatology at St George Hospital, Sydney and was awarded the Master of Medicine degree from the University of New South Wales for his thesis on epidermolysis bullosa and surgery.
Dr Harris completed his four years of specialist dermatology training at the John Hunter Hospital, Concord Hospital and in Griffith, Albury and Port Macquarie, receiving a fellowship from the Australasian College of Dermatologists. He has been published in Australian and international peer reviewed journals as well as presented internationally. Dr Harris is proficient in medical and surgical dermatology for both adults and children.
Our Support Staff
Professional, patient-oriented and friendly people.
At Green Square Dermatology we believe that through our specialised and dedicated clinical staff, we can achieve the best outcomes for our patients. We are committed to attracting and working with talented medical specialists and clinical staff to help us meet our vision … to make our patients our priority.

K. e| n. n| e. t| h H| a. r| v. e| y
Business Manager
With over 20 years experience in finance and enterprise IT systems, Kenneth brings a fresh perspective to medical practice management. Hands-on experience in almost every aspect of daily operation allows him to be responsive and empathetic to patient expectations.
Kenneth has a special interest in efficient and eco-friendly business processes, from custom-built low-power servers to paperless business workflows.

Maggie Tseung
Clinical Nurse
An enthusiastic, compassionate and friendly nursing professional, Maggie is a Registered Nurse with experience in the private and public healthcare systems.
Responsible for managing and supporting day-to-day medical services, Maggie is invaluable in assisting our Dermatologists with surgical procedures, patient education and after-care.
Maggie has a special interest in cosmetic laser procedures and is currently completing her training under Dr Rhonda Harvey.

Sebastian Crabbe
Medical Receptionist
As a thoughtful and professional team member, Sebastian takes great personal satisfaction in helping patients connect with our Dermatologists.
With his debut into a medical specialist environment, Sebastian is also juggling University studies in the field of music.

Pav Kurup Pratap
Medical Receptionist
With a background in people-facing roles, Pav is committed to providing our patients with friendly and professional service.
Pav is currently completing a Master of International Relations degree and consumes more coffee each day than she cares to admit. In her spare time you will find her planning mini getaways or binge-watching comedy TV.

Blake H. a. r. v. e. y
Office Intern
As one of the youngest members of the Green Square Dermatology team, Blake has been involved in our family run clinic since he was 2 years old.
Blake assists with the day-to-day running of the clinic, accumulating valuable inter-personal, communication and business skills … but only after he’s finished his homework.

Cameron H. a. r. v. e. y
Office Intern
Cameron has grown up in our clinic and helps out where he can by cutting up paper, putting stickers everywhere and distracting our staff!
Cameron has an photographic memory when it comes to Paw Patrol, Blaze and the location of all lollies and chocolates in the clinic.